﻿<p>An alarm is a device that signals the existence of a condition or situation that is outside the boundaries of normal expectation or that activates such a device.</p>
              <p>Alarms include the provision of break glass buttons and manual pull boxes that are used to activate alarms.</p> 
 
<blockquote class="history">HISTORY&nbsp; New entity in IFC4</blockquote><blockquote class="note"></blockquote>



